feat: 重构 DOM 工具链与基础服务，新增快捷键系统并优化部分功能模块

build.js

@@ -15,7 +15,7 @@ function handleFolder(folderPath, excludingFileName) {
       if (item !== excludingFileName) {
         const fileContent = fs.readFileSync(itemPath, "utf8");
         if (item.includes(".css")) css += fileContent + "\r\n";
-        if (item.includes(".js")) js += fileContent + "\r\n";
+        if (item.includes(".js")) js += fileContent + "\r\n\r\n";
       }
     }
   });